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Table 4 Ferritin concentrations in Caco-2 cells exposed to samples of maize only and maize-based diet digests; and Fe concentrations in samples of maize only and maize-based diet digests 1

From: RETRACTED ARTICLE: High bioavailablilty iron maize (Zea mays L.) developed through molecular breeding provides more absorbable iron in vitro (Caco-2 model) and in vivo (Gallus gallus)

Tested sample

Caco-2 Cell Ferritin2, ng/mg of total protein

Fe concentration3, μg/g sample

High Fe maize only

22.51±0.9c

20.9 ±0.2c

Low Fe maize only

13.40 ±0.6d

20.0 ±0.9c

"High + Fe" diet

74.36 ±1.6a

65.3 ±0.9a

"Low + Fe" diet

56.89 ±1.1b

66.1 ±2.4a

"High" diet

6.55 ±0.5e

24.5 ±1.0b

"Low" Diet

1.31 ±0.4f

23.6 ±0.2bc

  1. 1Values are means ± SEM, n = 6.
  2. a,b,c,d,e,f Within a column (ferritin or Fe concentrations), means without a common letter differ, P < 0.05.
  3. 2Caco-2 bioassay procedures and preparation of the digested samples are described in the materials and methods section.
  4. 3Dietary iron concentrations analysis is described in the materials and methods section.